Home / 72,746.04-100,374.48-42,525.52

Finding the Fourth Proportional to 72,746.04, 100,374.48 and 42,525.52

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Solution

The fourth proportional to 72,746.04, 100,374.48 and 42,525.52 is: 58,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,746.04 : 100,374.48 = 42,525.52 : x
  2. Step 2: Convert to fraction form
    72,746.04/100,374.48 = 42,525.52/x
  3. Step 3: Cross multiply
    72,746.04x = 100,374.48 × 42,525.52
  4. Step 4: Simplify right side
    72,746.04x = 4,268,476,956.73
  5. Step 5: Solve for x
    x = 4,268,476,956.73/72,746.04
  6. Step 6: Final answer
    x = 58,676.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.